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quant-ph2024
Optimal and Feasible Contextuality-based Randomness Generation
Yuan Liu, Ravishankar Ramanathan
Semi-device-independent (SDI) randomness generation protocols based on Kochen-Specker contextuality offer the attractive features of compact devices, high rates, and ease of experi…
quant-ph2024
When Quantum Nonlocality Does Not Play Dice
Ravishankar Ramanathan, Yuan Liu, Stefano Pironio
Bell nonlocality is widely viewed as a signature of intrinsic randomness, effectively playing the role of a 'dice' at the heart of many device-independent cryptographic protocols.…